American Airlines PHX to ONT on-time performance
American Airlines nonstop flights from Phoenix to Ontario · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.8%
11 flights
Avg arrival delay
14 min
67 min when late
Rank on route
#3 of 4
route average 77% on time
Key facts
- American Airlines flights on PHX to ONT arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 7% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was late-arriving aircraft (59%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft59%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion5%
- Extreme weather1%
- Security0%
Other airlines on PHX to ONT
- Southwest Airlines74% on time · 14 min avg delay
- SkyWest Airlines95% on time · 4 min avg delay
- Envoy Air91% on time · 4 min avg delay
Full PHX to ONT comparison →
American Airlines on-time record across all routes →
1,311 American Airlines flights tracked on this route; 11 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.